Corkscrew



FIG. 1 is a side view of the corkscrew showing my design; an oppositeside view being a mirror image thereof.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 a back view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a perspective view thereof.

I claim the ornamental design for a corkscrew, as shown and described.